Re: mac80211 driver interface semantics

[Joerg Mayer <jmayer@loplof.de>]

On Fri, Aug 03, 2007 at 11:54:54AM +0200, Johannes Berg wrote:
> On Fri, 2007-08-03 at 08:59 +0100, Andy Green wrote:
>
> > There seems to be some agreement that in the future the number of
> > virtual interfaces that happen to be lying around shouldn't determine
> > the functionality of Monitor mode like that.
>
> I think that only happens if you don't have monitor_during_oper set;
> otherwise it's a bug.
>
> I am, however, not entirely sure we should be forwarding packets with
> failed CRC on hard monitor interfaces. Because if you have both a hard
> monitor and a regular interface (monitor_during_oper allowed) then we
> will never check the CRC on frames that enter the networking path and
> can get corrupted TCP packets in etc.

Having that as a configurable option that defaults to off (no invalid
frames) would be the ideal solution :-)

Ciao
     Joerg
--
Joerg Mayer                                           <jmayer@loplof.de>
We are stuck with technology when what we really want is just stuff that
works. Some say that should read Microsoft instead of technology.